|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $4,770,604 | $7,010,654 | $8,368,371 | $10,479,838 | $8,952,679 | $7,616,991 | $10,206,590 |
| Total | $4,770,604 | $7,010,654 | $8,368,371 | $10,479,838 | $8,952,679 | $7,616,991 | $10,206,590 |
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